85201587 has 24 divisors (see below), whose sum is σ = 124849088. Its totient is φ = 55987200.

The previous prime is 85201583. The next prime is 85201601. The reversal of 85201587 is 78510258.

It is not a de Polignac number, because 85201587 - 2² = 85201583 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85201583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314262 + ... + 314532.

Almost surely, 2^85201587 is an apocalyptic number.

85201587 is a deficient number, since it is larger than the sum of its proper divisors (39647501).

85201587 is a wasteful number, since it uses less digits than its factorization.

85201587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 85201587 is about 9230.4705730531. The cubic root of 85201587 is about 440.0302785637.

The spelling of 85201587 in words is "eighty-five million, two hundred one thousand, five hundred eighty-seven".